Delivery of Suomi National Polar-orbiting Partnership (Suomi NPP) satellite data products will cease on November 1, 2026. Data users should transition now to alternative products from NOAA-21 and NOAA-20.
Suomi NPP data announcement
TOPEX/Poseidon Data Access and Tools
Datasets
| Dataset Sort descending | Instrument | Temporal Extent | Version | Data State | Data Format | Science Keywords |
|---|---|---|---|---|---|---|
| NASA-SSH Global Mean Sea Level from Simple Gridded Sea Surface Height | SSALT, NRA, TMR, POSEIDON-2, JASON-1 Microwave Radiometer, POSEIDON-3, AMR, POSEIDON-3B, AMR-2, Poseidon-4 Radar Altimeter, AMR-C | 1993-01-04 | 1 | ACTIVE | ASCII | Sea Level, Sea Surface Height |
| NASA-SSH IOD Sea Surface Height Indicator | SSALT, NRA, TMR, POSEIDON-2, JASON-1 Microwave Radiometer, POSEIDON-3, AMR, POSEIDON-3B, AMR-2, Poseidon-4 Radar Altimeter, AMR-C | 1993-01-04 | 1 | ACTIVE | ASCII | Sea Level, Sea Surface Height |
| NASA-SSH PDO Sea Surface Height Indicator | SSALT, NRA, TMR, POSEIDON-2, JASON-1 Microwave Radiometer, POSEIDON-3, AMR, POSEIDON-3B, AMR-2, Poseidon-4 Radar Altimeter, AMR-C | 1993-01-04 | 1 | ACTIVE | ASCII | Sea Level, Sea Surface Height |
| NASA-SSH Simple Gridded Sea Surface Height from Standardized Reference Missions Only Version 1 | SSALT, NRA, TMR, POSEIDON-2, JASON-1 Microwave Radiometer, POSEIDON-3, AMR, POSEIDON-3B, AMR-2, Poseidon-4 Radar Altimeter, AMR-C | 1992-10-25 to Present | 1 | ACTIVE | netCDF-4 | Sea Surface Height, Sea Surface Height Anomaly (SSHA) |
| NASA-SSH Simple Gridded Sea Surface Height from Standardized Reference Missions Only Version 1.1 | SSALT, NRA, TMR, POSEIDON-2, JASON-1 Microwave Radiometer, POSEIDON-3, AMR, POSEIDON-3B, AMR-2, Poseidon-4 Radar Altimeter, AMR-C | 1992-10-21 to Present | 1.1 | ACTIVE | netCDF-4 | Sea Surface Height, Sea Surface Height Anomaly (SSHA) |
| Ocean Surface Current Analyses Real-time (OSCAR) Surface Currents - Final 0.25 Degree (Version 2.0) | AVHRR-2, JASON-1 Microwave Radiometer, POSEIDON-2, ALT (TOPEX), TMR, SSALT, AVHRR-3, GRACE-FO ACC, KBR, GRACE SCA, AMR, POSEIDON-3, SSM/I, ERS-2 Altimeter, GFO Altimeter, RA-2, SEAWINDS, ERS-1 ALTIMETER, POSEIDON-3B | 1993-01-01 to 2026-01-17 | 2.0 | COMPLETE | netCDF-4 | Ocean Currents |
| Ocean Surface Current Analyses Real-time (OSCAR) Surface Currents - Interim 0.25 Degree (Version 2.0) | AVHRR-2, JASON-1 Microwave Radiometer, POSEIDON-2, ALT (TOPEX), TMR, SSALT, AVHRR-3, GRACE-FO ACC, KBR, GRACE SCA, AMR, POSEIDON-3, SSM/I, ERS-2 Altimeter, GFO Altimeter, RA-2, SEAWINDS, ERS-1 ALTIMETER, POSEIDON-3B | 2020-01-01 to Present | 2.0 | ACTIVE | netCDF-4 | Ocean Currents |
| Ocean Surface Current Analyses Real-time (OSCAR) Surface Currents - Near Real Time 0.25 Degree (Version 2.0) | AVHRR-2, JASON-1 Microwave Radiometer, POSEIDON-2, ALT (TOPEX), TMR, SSALT, AVHRR-3, GRACE-FO ACC, KBR, GRACE SCA, AMR, POSEIDON-3, SSM/I, ERS-2 Altimeter, GFO Altimeter, RA-2, SEAWINDS, ERS-1 ALTIMETER, POSEIDON-3B | 2021-01-01 to Present | 2.0 | ACTIVE | netCDF-4 | Ocean Currents |
| Pre SWOT Hydrology GRRATS Daily River Heights and Storage Version 2 | POSEIDON-3, ALT (TOPEX), RA-2, POSEIDON-3B, POSEIDON-2, ALTIMETERS | 1992-04-06 to 2018-04-20 | 2 | COMPLETE | netCDF-4 | Surface Water Features |
| Reconstructed Sea Level Version 1 | AMR, POSEIDON-3, JASON-1 Microwave Radiometer, POSEIDON-2, TMR, SSALT | 1950-01-03 to 2009-06-27 | 1 | COMPLETE | netCDF-4 | Sea Surface Height |
| Satellite Laser Ranging (SLR) Predictions from NASA CDDIS | RETROREFLECTOR ARRAY, LASER RANGING STATION | 1998-01-01 to Present | 1 | ACTIVE | Geodetics | |
| TOPEX ALTIMETER SENSOR DATA RECORD | TMR, ALT (TOPEX) | 1992-09-25 to 2005-10-04 | A | COMPLETE | RAW | Sea Surface Topography |
| TOPEX/POSEIDON Geophysical Data Record Version F | ALT (TOPEX), TMR | 1992-10-13 to 2005-10-04 | F | COMPLETE | netCDF-4 | Sea Surface Height, Significant Wave Height |
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